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BR9709949A - Oscilador e rádio para realização de comuncações através de um canal de rádio - Google Patents

Oscilador e rádio para realização de comuncações através de um canal de rádio

Info

Publication number
BR9709949A
BR9709949A BR9709949A BR9709949A BR9709949A BR 9709949 A BR9709949 A BR 9709949A BR 9709949 A BR9709949 A BR 9709949A BR 9709949 A BR9709949 A BR 9709949A BR 9709949 A BR9709949 A BR 9709949A
Authority
BR
Brazil
Prior art keywords
radio
oscillator
communication via
channel
radio channel
Prior art date
Application number
BR9709949A
Other languages
English (en)
Inventor
Paul W Dent
Original Assignee
Ericsson Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Inc filed Critical Ericsson Inc
Publication of BR9709949A publication Critical patent/BR9709949A/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • H03K3/354—Astable circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
    • H03K4/501—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
    • H03K4/502—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/787—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with two electrodes and exhibiting a negative resistance characteristic

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
BR9709949A 1996-06-24 1997-06-23 Oscilador e rádio para realização de comuncações através de um canal de rádio BR9709949A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/668,815 US5654677A (en) 1996-06-24 1996-06-24 Relaxation oscillator of reduced complexity using CMOS equivalent of a four-layer diode
PCT/US1997/010834 WO1997050175A1 (en) 1996-06-24 1997-06-23 Relaxation oscillator of reduced complexity using cmos equivalent of a four-layer diode

Publications (1)

Publication Number Publication Date
BR9709949A true BR9709949A (pt) 1999-08-10

Family

ID=24683854

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9709949A BR9709949A (pt) 1996-06-24 1997-06-23 Oscilador e rádio para realização de comuncações através de um canal de rádio

Country Status (9)

Country Link
US (1) US5654677A (pt)
EP (1) EP0908012B1 (pt)
JP (1) JP2001501047A (pt)
KR (1) KR100337282B1 (pt)
AU (1) AU720958B2 (pt)
BR (1) BR9709949A (pt)
EE (1) EE9800447A (pt)
TW (1) TW348299B (pt)
WO (1) WO1997050175A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067363A (en) * 1996-06-03 2000-05-23 Ericsson Inc. Audio A/D convertor using frequency modulation
WO1999053609A2 (en) * 1998-04-09 1999-10-21 Koninklijke Philips Electronics N.V. Coupled sawtooth oscillator
US6091303A (en) * 1999-04-06 2000-07-18 Ericsson Inc. Method and apparatus for reducing oscillator noise by noise-feedforward
US7570123B2 (en) * 2006-12-27 2009-08-04 Telefonaktiebolaget Lm Ericsson (Publ) Digitally controlled analog frequency synthesizer
KR101039384B1 (ko) * 2009-05-28 2011-06-08 한국기초과학지원연구원 스핀소자를 이용한 이완발진기
EP2717468A1 (en) 2012-10-02 2014-04-09 Dialog Semiconductor GmbH Area efficient single capacitor CMOS relaxation oscillator
EP2773033B1 (en) 2013-02-28 2018-12-05 Dialog Semiconductor GmbH Divide by 2 and 3 charge pump methods
EP2775600A1 (en) 2013-03-04 2014-09-10 Dialog Semiconductor GmbH Coil current estimator for peak current mode control SMPS
US9515651B2 (en) * 2014-06-19 2016-12-06 Triune Ip Llc Galvanically isolated switch system
US9853809B2 (en) 2015-03-31 2017-12-26 Board Of Regents Of The University Of Texas System Method and apparatus for hybrid encryption

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311111A (en) * 1964-08-11 1967-03-28 Gen Electric Controllable electric body tissue stimulators
US3731201A (en) * 1970-11-12 1973-05-01 Itt Circuit arrangement for generating radio frequencies
US3701051A (en) * 1971-07-28 1972-10-24 Dudley V Simms Stable oscillator
US3829799A (en) * 1971-08-28 1974-08-13 Mitsumi Electric Co Ltd Semiconductor impedance circuit and oscillator using the same
US3878482A (en) * 1973-10-04 1975-04-15 Gen Electric Wide-band, voltage controlled oscillator utilizing complimentary metal oxide semiconductor integrated circuits and a constant current MOS-FET field effect transistor
JPS5942495B2 (ja) * 1974-12-16 1984-10-15 株式会社東芝 負性抵抗回路
US4219787A (en) * 1977-11-25 1980-08-26 Rca Corporation Relaxation oscillator not restricted by FET threshold
US4260960A (en) * 1979-05-11 1981-04-07 Rca Corporation Oscillator circuit
US4267527A (en) * 1979-05-11 1981-05-12 Rca Corporation Relaxation oscillator
US4260959A (en) * 1979-07-16 1981-04-07 Motorola, Inc. FET Relaxation oscillator with reduced sensitivity to supply voltage and threshold variations
US4491807A (en) * 1982-05-20 1985-01-01 Rca Corporation FET Negative resistance circuits
JPS60214628A (ja) * 1984-04-10 1985-10-26 Asou Tokie クロツク信号発生回路
US5185584A (en) * 1989-10-11 1993-02-09 Seiko Epson Corporation Phase locked loop (PLL) circuit having enhanced frequency selection range
US5302920A (en) * 1992-10-13 1994-04-12 Ncr Corporation Controllable multi-phase ring oscillators with variable current sources and capacitances
US5327106A (en) * 1993-02-01 1994-07-05 Delco Electronics Corp. Local oscillator with reduced harmonic
US5418751A (en) * 1993-09-29 1995-05-23 Texas Instruments Incorporated Variable frequency oscillator controlled EEPROM charge pump

Also Published As

Publication number Publication date
EP0908012B1 (en) 2008-02-13
US5654677A (en) 1997-08-05
AU3407797A (en) 1998-01-14
JP2001501047A (ja) 2001-01-23
KR100337282B1 (ko) 2002-11-27
TW348299B (en) 1998-12-21
KR20000016799A (ko) 2000-03-25
EE9800447A (et) 1999-06-15
WO1997050175A1 (en) 1997-12-31
EP0908012A1 (en) 1999-04-14
AU720958B2 (en) 2000-06-15

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: ALTERADA A CLASSIFICACAO DE H03K 3/354 PARA INT.CL 2007 - H01L 29/86; H03K 3/354; H03J 3/20; H04B 1/00

Ipc: H01L 29/86 (2007.01), H03K 3/354 (2007.01), H03J 3

B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements